package com.lovegu.object.up;

/**
 * @author 老顾
 * @title: PersonTest
 * @projectName java-restudy
 * @email: 1437594522@qq.com
 * @date 2022/9/20 16:59
 */
public class PersonTest {
    public static void main(String[] args) {
        Person p1 = new Person();
        Person p2 =new Person();
        p1.age = -30;
        p1.shout();
        p2.shout();
    }
}
